83 entries under persistent topic. ×
| hell-bent(adjective, obstinate, insistent, dogged) | |
| insubordinate(adjective, obstinate, insistent, dogged) | |
| insurgent(adjective, obstinate, insistent, dogged) | |
| inveterate(adjective, obstinate, insistent, dogged) | |
| invincible(adjective, obstinate, insistent, dogged) | |
| mulish(adjective, mean, strong, hard, tough) | |
| mutinous(adjective, obstinate, insistent, dogged) | |
| narrow-minded(adjective, obstinate, insistent, dogged) | |
| obsessive(adjective, obstinate, insistent, dogged) | |
| perverse(adjective, mean, hard, tough, firm) | |
| pigheaded(adjective, mean, hard, tough, firm) | |
| staunch(adjective, set, strong, hard, tough) | |
| stouthearted(adjective, obstinate, insistent, dogged) | |
| sure(adjective, strong, tough, firm, solid) | |
| tight(adjective, strong, tough, firm, solid) | |
| unconquerable(adjective, obstinate, insistent, dogged) | |
| ungovernable(adjective, obstinate, insistent, dogged) | |
| unmanageable(adjective, obstinate, insistent, dogged) | |
| unregenerate(adjective, obstinate, insistent, dogged) | |
| unruly(adjective, obstinate, insistent, dogged) |
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| APA | Smart Define. (2015). iron thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/iron/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "iron thesaurus" https://smartdefine.org/iron/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, iron thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/iron/thesaurus/synonyms>. |
| MLA | Smart Define. "iron thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/iron/thesaurus/synonyms> |